`mail.castledefense.de`

	DNSSEC	⚠️ Not signed
	A	46.38.243.234^{🇩🇪 netcup-AS46.38.240.0/22}

`castledefense.de`

	DNSSEC	⚠️ Not signed
	A	46.38.243.234^{🇩🇪 netcup-AS46.38.240.0/22}
	NS	`root-dns.netcup.net` ⭐
	NS	`second-dns.netcup.net`
	NS	`third-dns.netcup.net`
	MX	`mail.castledefense.de` ⭐
	SOA	`root-dns.netcup.net`dnsadmin@netcup.net 2023-11-22 #1

MX for

castledefense.de

Same first word

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mail.jetzt

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DNS History

2 records (1 active, 1 former)

○A178.254.4.1012017-03-16 → 2017-03-16 · 3 obs

● 2017-03-16 19:47:46
○ 2026-04-24 08:36:42
○ 2026-04-24 15:05:18

●A46.38.243.2342026-04-24 → 2026-04-24 · 3 obs

○ 2017-03-16 19:47:46
● 2026-04-24 08:36:42
● 2026-04-24 15:05:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
castledefense.de	root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net	-

✅ Authoritative Response

Server:37.221.199.199

NS records: root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for castledefense.de (unsigned zone)

⏱️ Timing

Total: 776ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.38.243.234`

Analysis

Mail Server Role

mail.castledefense.de is the mail server for castledefense.de.

IP Addresses

mail.castledefense.de points to a single IP number: 46.38.243.234.

other host names for instance mail.rapidfacture.cloud, krebs-notar.de, 17-inch.de, e2x.de and mail.sansanos.com share IP numbers with mail.castledefense.de.

mail.castledefense.de - robtex.com